Very important lesson for drug traffickers: Do not store your half-ton of weed in the backseat of your car.

A Brazilian drug smuggler did just that, police say, and the man was killed when he crashed into a tree while being chased by police ... because the 1,100 pounds of weed came barreling forward and crushed him against the steering wheel. The Daily Mailhas the crazy pictures.

Federal police started the chase when the man didn't stop at a road block, Jalopnik reports, citing local media.

The chase went on for three miles before the as-yet-unidentified man lost control of his car; he was killed instantly.

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